bulbe galactique
1988 / The Galactic Nuclear Bulge and the Stellar Content of Spheroidal Systems / Jay A. Frogel / Annual Review of Astronomy and Astrophysics 26 (1988) p. 51 [doi]
1997 / Galactic Bulges / Rosemary F. G. Wyse ; Gerard Gilmore ; Marijn Franx / Annual Review of Astronomy and Astrophysics 35 (1997) p. 637 [doi]